diff --git a/lib_enc/multi_harm_fx.c b/lib_enc/multi_harm_fx.c
index 641c3597988b9854bf2fceb800b79fac1a36dd8f..86fe541bb3b062c6f7f15737b3249a4b6374bdf1 100644
--- a/lib_enc/multi_harm_fx.c
+++ b/lib_enc/multi_harm_fx.c
@@ -379,6 +379,7 @@ Word16 multi_harm_ivas_fx(                           /* o  : frame multi-harmoni
 {
     Word16 i, j, k, L, stemp, N_mins, ind_mins[L_FFT / 4], *pt_mins, harm;
     Word16 S[L_FFT / 2], flor, step, tmp16, tmp2, Expx2, Expy2;
+    Word32 tmp2_32;
     Word16 corx2, cory2, corxy, cor, cor_map[L_FFT / 2], *pt1, *pt2, cor_strong;
     Word32 L_acc;
     Word32 Lcorx2, Lcory2, Lcorxy, Lcor_map_LT_sum;
@@ -621,7 +622,7 @@ Word16 multi_harm_ivas_fx(                           /* o  : frame multi-harmoni
      *------------------------------------------------------------------*/
 
     Lcor_map_LT_sum = L_deposit_l( 0 );
-    tmp2 = 0;
+    tmp2_32 = 0;
     move16();
 
     cor_strong = 0;
@@ -633,7 +634,7 @@ Word16 multi_harm_ivas_fx(                           /* o  : frame multi-harmoni
     FOR( i = 0; i < L; i++ )
     {
         /* tmp2 += S[i]; */
-        tmp2 = add( tmp2, shl( S[i], 1 ) ); /* tmp2 in Q8; max value is 128) */
+        tmp2_32 = L_add( tmp2_32, cor_map[i] ); /* tmp2_32 in Q15; max value is 128) */
 
         /* *pt1 = M_ALPHA_FX * *pt1 + (1-M_ALPHA_FX) * *pt2++ */
         *pt1 = mac_r( L_mult( ONE_MINUS_M_ALPHA, *pt2 ), M_ALPHA_FX, *pt1 );
@@ -651,6 +652,7 @@ Word16 multi_harm_ivas_fx(                           /* o  : frame multi-harmoni
         pt1++;
         pt2++;
     }
+    tmp2 = L_shr_sat( tmp2_32, 7 ); // q15-> q8
 
     IF( EQ_16( bwidth, NB ) )
     {